Delete code from RF remote control receiver

First, turn on power supply.
Then, press button A, turn on the light. (The code have already been put on the receiver.)
Next, press and hold the button of receiver until signal LED flashes three times. That means all stored codes have been deleted successfully.
At last, press the transmitter, there is no response, which means all stored codes have been deleted successfully.
Model: 0020110 (S4PUW-DC12-ANT2 & CC-4)
Online shop: http://www.carymart.com
Email: katherinexjy@gmail.com
Skype: gysyxjy
Facebook: https://www.facebook.com/CaryMart-284396935008403/
Twitter: https://twitter.com/CaryMart305